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<FONT color="green">001</FONT>    /*<a name="line.1"></a>
<FONT color="green">002</FONT>     * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
<FONT color="green">003</FONT>     * contributor license agreements.  See the NOTICE file distributed with<a name="line.3"></a>
<FONT color="green">004</FONT>     * this work for additional information regarding copyright ownership.<a name="line.4"></a>
<FONT color="green">005</FONT>     * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a>
<FONT color="green">006</FONT>     * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
<FONT color="green">007</FONT>     * the License.  You may obtain a copy of the License at<a name="line.7"></a>
<FONT color="green">008</FONT>     *<a name="line.8"></a>
<FONT color="green">009</FONT>     *     http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<FONT color="green">010</FONT>     *<a name="line.10"></a>
<FONT color="green">011</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<FONT color="green">012</FONT>     * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
<FONT color="green">013</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
<FONT color="green">014</FONT>     * See the License for the specific language governing permissions and<a name="line.14"></a>
<FONT color="green">015</FONT>     * limitations under the License.<a name="line.15"></a>
<FONT color="green">016</FONT>     */<a name="line.16"></a>
<FONT color="green">017</FONT>    package org.apache.commons.configuration.interpol;<a name="line.17"></a>
<FONT color="green">018</FONT>    <a name="line.18"></a>
<FONT color="green">019</FONT>    import java.util.ArrayList;<a name="line.19"></a>
<FONT color="green">020</FONT>    <a name="line.20"></a>
<FONT color="green">021</FONT>    import org.apache.commons.configuration.AbstractConfiguration;<a name="line.21"></a>
<FONT color="green">022</FONT>    import org.apache.commons.configuration.ConfigurationRuntimeException;<a name="line.22"></a>
<FONT color="green">023</FONT>    import org.apache.commons.jexl2.Expression;<a name="line.23"></a>
<FONT color="green">024</FONT>    import org.apache.commons.jexl2.JexlContext;<a name="line.24"></a>
<FONT color="green">025</FONT>    import org.apache.commons.jexl2.JexlEngine;<a name="line.25"></a>
<FONT color="green">026</FONT>    import org.apache.commons.jexl2.MapContext;<a name="line.26"></a>
<FONT color="green">027</FONT>    import org.apache.commons.lang.ClassUtils;<a name="line.27"></a>
<FONT color="green">028</FONT>    import org.apache.commons.lang.StringUtils;<a name="line.28"></a>
<FONT color="green">029</FONT>    import org.apache.commons.lang.text.StrLookup;<a name="line.29"></a>
<FONT color="green">030</FONT>    import org.apache.commons.lang.text.StrSubstitutor;<a name="line.30"></a>
<FONT color="green">031</FONT>    <a name="line.31"></a>
<FONT color="green">032</FONT>    /**<a name="line.32"></a>
<FONT color="green">033</FONT>     * Lookup that allows expressions to be evaluated.<a name="line.33"></a>
<FONT color="green">034</FONT>     *<a name="line.34"></a>
<FONT color="green">035</FONT>     * &lt;pre&gt;<a name="line.35"></a>
<FONT color="green">036</FONT>     *     ExprLookup.Variables vars = new ExprLookup.Variables();<a name="line.36"></a>
<FONT color="green">037</FONT>     *     vars.add(new ExprLookup.Variable("String", org.apache.commons.lang.StringUtils.class));<a name="line.37"></a>
<FONT color="green">038</FONT>     *     vars.add(new ExprLookup.Variable("Util", new Utility("Hello")));<a name="line.38"></a>
<FONT color="green">039</FONT>     *     vars.add(new ExprLookup.Variable("System", "Class:java.lang.System"));<a name="line.39"></a>
<FONT color="green">040</FONT>     *     XMLConfiguration config = new XMLConfiguration(TEST_FILE);<a name="line.40"></a>
<FONT color="green">041</FONT>     *     config.setLogger(log);<a name="line.41"></a>
<FONT color="green">042</FONT>     *     ExprLookup lookup = new ExprLookup(vars);<a name="line.42"></a>
<FONT color="green">043</FONT>     *     lookup.setConfiguration(config);<a name="line.43"></a>
<FONT color="green">044</FONT>     *     String str = lookup.lookup("'$[element] ' + String.trimToEmpty('$[space.description]')");<a name="line.44"></a>
<FONT color="green">045</FONT>     * &lt;/pre&gt;<a name="line.45"></a>
<FONT color="green">046</FONT>     *<a name="line.46"></a>
<FONT color="green">047</FONT>     * In the example above TEST_FILE contains xml that looks like:<a name="line.47"></a>
<FONT color="green">048</FONT>     * &lt;pre&gt;<a name="line.48"></a>
<FONT color="green">049</FONT>     * &amp;lt;configuration&amp;gt;<a name="line.49"></a>
<FONT color="green">050</FONT>     *   &amp;lt;element&amp;gt;value&amp;lt;/element&amp;gt;<a name="line.50"></a>
<FONT color="green">051</FONT>     *   &amp;lt;space xml:space="preserve"&amp;gt;<a name="line.51"></a>
<FONT color="green">052</FONT>     *     &amp;lt;description xml:space="default"&amp;gt;     Some text      &amp;lt;/description&amp;gt;<a name="line.52"></a>
<FONT color="green">053</FONT>     *   &amp;lt;/space&amp;gt;<a name="line.53"></a>
<FONT color="green">054</FONT>     * &amp;lt;/configuration&amp;gt;<a name="line.54"></a>
<FONT color="green">055</FONT>     * &lt;/pre&gt;<a name="line.55"></a>
<FONT color="green">056</FONT>     *<a name="line.56"></a>
<FONT color="green">057</FONT>     * The result will be "value Some text".<a name="line.57"></a>
<FONT color="green">058</FONT>     *<a name="line.58"></a>
<FONT color="green">059</FONT>     * This lookup uses Apache Commons Jexl and requires that the dependency be added to any<a name="line.59"></a>
<FONT color="green">060</FONT>     * projects which use this.<a name="line.60"></a>
<FONT color="green">061</FONT>     *<a name="line.61"></a>
<FONT color="green">062</FONT>     * @since 1.7<a name="line.62"></a>
<FONT color="green">063</FONT>     * @author &lt;a<a name="line.63"></a>
<FONT color="green">064</FONT>     * href="http://commons.apache.org/configuration/team-list.html"&gt;Commons Configuration team&lt;/a&gt;<a name="line.64"></a>
<FONT color="green">065</FONT>     * @version $Id: ExprLookup.java 1234539 2012-01-22 16:19:15Z oheger $<a name="line.65"></a>
<FONT color="green">066</FONT>     */<a name="line.66"></a>
<FONT color="green">067</FONT>    public class ExprLookup extends StrLookup<a name="line.67"></a>
<FONT color="green">068</FONT>    {<a name="line.68"></a>
<FONT color="green">069</FONT>        /** Prefix to identify a Java Class object */<a name="line.69"></a>
<FONT color="green">070</FONT>        private static final String CLASS = "Class:";<a name="line.70"></a>
<FONT color="green">071</FONT>    <a name="line.71"></a>
<FONT color="green">072</FONT>        /** The default prefix for subordinate lookup expressions */<a name="line.72"></a>
<FONT color="green">073</FONT>        private static final String DEFAULT_PREFIX = "$[";<a name="line.73"></a>
<FONT color="green">074</FONT>    <a name="line.74"></a>
<FONT color="green">075</FONT>        /** The default suffix for subordinate lookup expressions */<a name="line.75"></a>
<FONT color="green">076</FONT>        private static final String DEFAULT_SUFFIX = "]";<a name="line.76"></a>
<FONT color="green">077</FONT>    <a name="line.77"></a>
<FONT color="green">078</FONT>        /** Configuration being operated on */<a name="line.78"></a>
<FONT color="green">079</FONT>        private AbstractConfiguration configuration;<a name="line.79"></a>
<FONT color="green">080</FONT>    <a name="line.80"></a>
<FONT color="green">081</FONT>        /** The engine. */<a name="line.81"></a>
<FONT color="green">082</FONT>        private final JexlEngine engine = new JexlEngine();<a name="line.82"></a>
<FONT color="green">083</FONT>    <a name="line.83"></a>
<FONT color="green">084</FONT>        /** The variables maintained by this object. */<a name="line.84"></a>
<FONT color="green">085</FONT>        private Variables variables;<a name="line.85"></a>
<FONT color="green">086</FONT>    <a name="line.86"></a>
<FONT color="green">087</FONT>        /** The String to use to start subordinate lookup expressions */<a name="line.87"></a>
<FONT color="green">088</FONT>        private String prefixMatcher = DEFAULT_PREFIX;<a name="line.88"></a>
<FONT color="green">089</FONT>    <a name="line.89"></a>
<FONT color="green">090</FONT>        /** The String to use to terminate subordinate lookup expressions */<a name="line.90"></a>
<FONT color="green">091</FONT>        private String suffixMatcher = DEFAULT_SUFFIX;<a name="line.91"></a>
<FONT color="green">092</FONT>    <a name="line.92"></a>
<FONT color="green">093</FONT>        /**<a name="line.93"></a>
<FONT color="green">094</FONT>         * The default constructor. Will get used when the Lookup is constructed via<a name="line.94"></a>
<FONT color="green">095</FONT>         * configuration.<a name="line.95"></a>
<FONT color="green">096</FONT>         */<a name="line.96"></a>
<FONT color="green">097</FONT>        public ExprLookup()<a name="line.97"></a>
<FONT color="green">098</FONT>        {<a name="line.98"></a>
<FONT color="green">099</FONT>        }<a name="line.99"></a>
<FONT color="green">100</FONT>    <a name="line.100"></a>
<FONT color="green">101</FONT>        /**<a name="line.101"></a>
<FONT color="green">102</FONT>         * Constructor for use by applications.<a name="line.102"></a>
<FONT color="green">103</FONT>         * @param list The list of objects to be accessible in expressions.<a name="line.103"></a>
<FONT color="green">104</FONT>         */<a name="line.104"></a>
<FONT color="green">105</FONT>        public ExprLookup(Variables list)<a name="line.105"></a>
<FONT color="green">106</FONT>        {<a name="line.106"></a>
<FONT color="green">107</FONT>            setVariables(list);<a name="line.107"></a>
<FONT color="green">108</FONT>        }<a name="line.108"></a>
<FONT color="green">109</FONT>    <a name="line.109"></a>
<FONT color="green">110</FONT>        /**<a name="line.110"></a>
<FONT color="green">111</FONT>         * Constructor for use by applications.<a name="line.111"></a>
<FONT color="green">112</FONT>         * @param list The list of objects to be accessible in expressions.<a name="line.112"></a>
<FONT color="green">113</FONT>         * @param prefix The prefix to use for subordinate lookups.<a name="line.113"></a>
<FONT color="green">114</FONT>         * @param suffix The suffix to use for subordinate lookups.<a name="line.114"></a>
<FONT color="green">115</FONT>         */<a name="line.115"></a>
<FONT color="green">116</FONT>        public ExprLookup(Variables list, String prefix, String suffix)<a name="line.116"></a>
<FONT color="green">117</FONT>        {<a name="line.117"></a>
<FONT color="green">118</FONT>            this(list);<a name="line.118"></a>
<FONT color="green">119</FONT>            setVariablePrefixMatcher(prefix);<a name="line.119"></a>
<FONT color="green">120</FONT>            setVariableSuffixMatcher(suffix);<a name="line.120"></a>
<FONT color="green">121</FONT>        }<a name="line.121"></a>
<FONT color="green">122</FONT>    <a name="line.122"></a>
<FONT color="green">123</FONT>        /**<a name="line.123"></a>
<FONT color="green">124</FONT>         * Set the prefix to use to identify subordinate expressions. This cannot be the<a name="line.124"></a>
<FONT color="green">125</FONT>         * same as the prefix used for the primary expression.<a name="line.125"></a>
<FONT color="green">126</FONT>         * @param prefix The String identifying the beginning of the expression.<a name="line.126"></a>
<FONT color="green">127</FONT>         */<a name="line.127"></a>
<FONT color="green">128</FONT>        public void setVariablePrefixMatcher(String prefix)<a name="line.128"></a>
<FONT color="green">129</FONT>        {<a name="line.129"></a>
<FONT color="green">130</FONT>            prefixMatcher = prefix;<a name="line.130"></a>
<FONT color="green">131</FONT>        }<a name="line.131"></a>
<FONT color="green">132</FONT>    <a name="line.132"></a>
<FONT color="green">133</FONT>    <a name="line.133"></a>
<FONT color="green">134</FONT>        /**<a name="line.134"></a>
<FONT color="green">135</FONT>         * Set the suffix to use to identify subordinate expressions. This cannot be the<a name="line.135"></a>
<FONT color="green">136</FONT>         * same as the suffix used for the primary expression.<a name="line.136"></a>
<FONT color="green">137</FONT>         * @param suffix The String identifying the end of the expression.<a name="line.137"></a>
<FONT color="green">138</FONT>         */<a name="line.138"></a>
<FONT color="green">139</FONT>        public void setVariableSuffixMatcher(String suffix)<a name="line.139"></a>
<FONT color="green">140</FONT>        {<a name="line.140"></a>
<FONT color="green">141</FONT>            suffixMatcher = suffix;<a name="line.141"></a>
<FONT color="green">142</FONT>        }<a name="line.142"></a>
<FONT color="green">143</FONT>    <a name="line.143"></a>
<FONT color="green">144</FONT>        /**<a name="line.144"></a>
<FONT color="green">145</FONT>         * Add the Variables that will be accessible within expressions.<a name="line.145"></a>
<FONT color="green">146</FONT>         * @param list The list of Variables.<a name="line.146"></a>
<FONT color="green">147</FONT>         */<a name="line.147"></a>
<FONT color="green">148</FONT>        public void setVariables(Variables list)<a name="line.148"></a>
<FONT color="green">149</FONT>        {<a name="line.149"></a>
<FONT color="green">150</FONT>            variables = new Variables(list);<a name="line.150"></a>
<FONT color="green">151</FONT>        }<a name="line.151"></a>
<FONT color="green">152</FONT>    <a name="line.152"></a>
<FONT color="green">153</FONT>        /**<a name="line.153"></a>
<FONT color="green">154</FONT>         * Returns the list of Variables that are accessible within expressions.<a name="line.154"></a>
<FONT color="green">155</FONT>         * @return the List of Variables that are accessible within expressions.<a name="line.155"></a>
<FONT color="green">156</FONT>         */<a name="line.156"></a>
<FONT color="green">157</FONT>        public Variables getVariables()<a name="line.157"></a>
<FONT color="green">158</FONT>        {<a name="line.158"></a>
<FONT color="green">159</FONT>            return null;<a name="line.159"></a>
<FONT color="green">160</FONT>        }<a name="line.160"></a>
<FONT color="green">161</FONT>    <a name="line.161"></a>
<FONT color="green">162</FONT>        /**<a name="line.162"></a>
<FONT color="green">163</FONT>         * Set the configuration to be used to interpolate subordinate expressions.<a name="line.163"></a>
<FONT color="green">164</FONT>         * @param config The Configuration.<a name="line.164"></a>
<FONT color="green">165</FONT>         */<a name="line.165"></a>
<FONT color="green">166</FONT>        public void setConfiguration(AbstractConfiguration config)<a name="line.166"></a>
<FONT color="green">167</FONT>        {<a name="line.167"></a>
<FONT color="green">168</FONT>            this.configuration = config;<a name="line.168"></a>
<FONT color="green">169</FONT>        }<a name="line.169"></a>
<FONT color="green">170</FONT>    <a name="line.170"></a>
<FONT color="green">171</FONT>        /**<a name="line.171"></a>
<FONT color="green">172</FONT>         * Evaluates the expression.<a name="line.172"></a>
<FONT color="green">173</FONT>         * @param var The expression.<a name="line.173"></a>
<FONT color="green">174</FONT>         * @return The String result of the expression.<a name="line.174"></a>
<FONT color="green">175</FONT>         */<a name="line.175"></a>
<FONT color="green">176</FONT>        @Override<a name="line.176"></a>
<FONT color="green">177</FONT>        public String lookup(String var)<a name="line.177"></a>
<FONT color="green">178</FONT>        {<a name="line.178"></a>
<FONT color="green">179</FONT>            ConfigurationInterpolator interp = configuration.getInterpolator();<a name="line.179"></a>
<FONT color="green">180</FONT>            StrSubstitutor subst = new StrSubstitutor(interp, prefixMatcher, suffixMatcher,<a name="line.180"></a>
<FONT color="green">181</FONT>                    StrSubstitutor.DEFAULT_ESCAPE);<a name="line.181"></a>
<FONT color="green">182</FONT>    <a name="line.182"></a>
<FONT color="green">183</FONT>            String result = subst.replace(var);<a name="line.183"></a>
<FONT color="green">184</FONT>    <a name="line.184"></a>
<FONT color="green">185</FONT>            try<a name="line.185"></a>
<FONT color="green">186</FONT>            {<a name="line.186"></a>
<FONT color="green">187</FONT>                Expression exp = engine.createExpression(result);<a name="line.187"></a>
<FONT color="green">188</FONT>                result = (String) exp.evaluate(createContext());<a name="line.188"></a>
<FONT color="green">189</FONT>            }<a name="line.189"></a>
<FONT color="green">190</FONT>            catch (Exception e)<a name="line.190"></a>
<FONT color="green">191</FONT>            {<a name="line.191"></a>
<FONT color="green">192</FONT>                configuration.getLogger().debug("Error encountered evaluating " + result, e);<a name="line.192"></a>
<FONT color="green">193</FONT>            }<a name="line.193"></a>
<FONT color="green">194</FONT>    <a name="line.194"></a>
<FONT color="green">195</FONT>            return result;<a name="line.195"></a>
<FONT color="green">196</FONT>        }<a name="line.196"></a>
<FONT color="green">197</FONT>    <a name="line.197"></a>
<FONT color="green">198</FONT>        /**<a name="line.198"></a>
<FONT color="green">199</FONT>         * Creates a new {@code JexlContext} and initializes it with the variables<a name="line.199"></a>
<FONT color="green">200</FONT>         * managed by this Lookup object.<a name="line.200"></a>
<FONT color="green">201</FONT>         *<a name="line.201"></a>
<FONT color="green">202</FONT>         * @return the newly created context<a name="line.202"></a>
<FONT color="green">203</FONT>         */<a name="line.203"></a>
<FONT color="green">204</FONT>        private JexlContext createContext()<a name="line.204"></a>
<FONT color="green">205</FONT>        {<a name="line.205"></a>
<FONT color="green">206</FONT>            JexlContext ctx = new MapContext();<a name="line.206"></a>
<FONT color="green">207</FONT>            initializeContext(ctx);<a name="line.207"></a>
<FONT color="green">208</FONT>            return ctx;<a name="line.208"></a>
<FONT color="green">209</FONT>        }<a name="line.209"></a>
<FONT color="green">210</FONT>    <a name="line.210"></a>
<FONT color="green">211</FONT>        /**<a name="line.211"></a>
<FONT color="green">212</FONT>         * Initializes the specified context with the variables managed by this<a name="line.212"></a>
<FONT color="green">213</FONT>         * Lookup object.<a name="line.213"></a>
<FONT color="green">214</FONT>         *<a name="line.214"></a>
<FONT color="green">215</FONT>         * @param ctx the context to be initialized<a name="line.215"></a>
<FONT color="green">216</FONT>         */<a name="line.216"></a>
<FONT color="green">217</FONT>        private void initializeContext(JexlContext ctx)<a name="line.217"></a>
<FONT color="green">218</FONT>        {<a name="line.218"></a>
<FONT color="green">219</FONT>            for (Variable var : variables)<a name="line.219"></a>
<FONT color="green">220</FONT>            {<a name="line.220"></a>
<FONT color="green">221</FONT>                ctx.set(var.getName(), var.getValue());<a name="line.221"></a>
<FONT color="green">222</FONT>            }<a name="line.222"></a>
<FONT color="green">223</FONT>        }<a name="line.223"></a>
<FONT color="green">224</FONT>    <a name="line.224"></a>
<FONT color="green">225</FONT>        /**<a name="line.225"></a>
<FONT color="green">226</FONT>         * List wrapper used to allow the Variables list to be created as beans in<a name="line.226"></a>
<FONT color="green">227</FONT>         * DefaultConfigurationBuilder.<a name="line.227"></a>
<FONT color="green">228</FONT>         */<a name="line.228"></a>
<FONT color="green">229</FONT>        public static class Variables extends ArrayList&lt;Variable&gt;<a name="line.229"></a>
<FONT color="green">230</FONT>        {<a name="line.230"></a>
<FONT color="green">231</FONT>            /**<a name="line.231"></a>
<FONT color="green">232</FONT>             * The serial version UID.<a name="line.232"></a>
<FONT color="green">233</FONT>             */<a name="line.233"></a>
<FONT color="green">234</FONT>            private static final long serialVersionUID = 20111205L;<a name="line.234"></a>
<FONT color="green">235</FONT>    <a name="line.235"></a>
<FONT color="green">236</FONT>            /**<a name="line.236"></a>
<FONT color="green">237</FONT>             * Creates a new empty instance of {@code Variables}.<a name="line.237"></a>
<FONT color="green">238</FONT>             */<a name="line.238"></a>
<FONT color="green">239</FONT>            public Variables()<a name="line.239"></a>
<FONT color="green">240</FONT>            {<a name="line.240"></a>
<FONT color="green">241</FONT>                super();<a name="line.241"></a>
<FONT color="green">242</FONT>            }<a name="line.242"></a>
<FONT color="green">243</FONT>    <a name="line.243"></a>
<FONT color="green">244</FONT>            /**<a name="line.244"></a>
<FONT color="green">245</FONT>             * Creates a new instance of {@code Variables} and copies the content of<a name="line.245"></a>
<FONT color="green">246</FONT>             * the given object.<a name="line.246"></a>
<FONT color="green">247</FONT>             *<a name="line.247"></a>
<FONT color="green">248</FONT>             * @param vars the {@code Variables} object to be copied<a name="line.248"></a>
<FONT color="green">249</FONT>             */<a name="line.249"></a>
<FONT color="green">250</FONT>            public Variables(Variables vars)<a name="line.250"></a>
<FONT color="green">251</FONT>            {<a name="line.251"></a>
<FONT color="green">252</FONT>                super(vars);<a name="line.252"></a>
<FONT color="green">253</FONT>            }<a name="line.253"></a>
<FONT color="green">254</FONT>    <a name="line.254"></a>
<FONT color="green">255</FONT>            public Variable getVariable()<a name="line.255"></a>
<FONT color="green">256</FONT>            {<a name="line.256"></a>
<FONT color="green">257</FONT>                if (size() &gt; 0)<a name="line.257"></a>
<FONT color="green">258</FONT>                {<a name="line.258"></a>
<FONT color="green">259</FONT>                    return get(size() - 1);<a name="line.259"></a>
<FONT color="green">260</FONT>                }<a name="line.260"></a>
<FONT color="green">261</FONT>                else<a name="line.261"></a>
<FONT color="green">262</FONT>                {<a name="line.262"></a>
<FONT color="green">263</FONT>                    return null;<a name="line.263"></a>
<FONT color="green">264</FONT>                }<a name="line.264"></a>
<FONT color="green">265</FONT>            }<a name="line.265"></a>
<FONT color="green">266</FONT>    <a name="line.266"></a>
<FONT color="green">267</FONT>        }<a name="line.267"></a>
<FONT color="green">268</FONT>    <a name="line.268"></a>
<FONT color="green">269</FONT>        /**<a name="line.269"></a>
<FONT color="green">270</FONT>         * The key and corresponding object that will be made available to the<a name="line.270"></a>
<FONT color="green">271</FONT>         * JexlContext for use in expressions.<a name="line.271"></a>
<FONT color="green">272</FONT>         */<a name="line.272"></a>
<FONT color="green">273</FONT>        public static class Variable<a name="line.273"></a>
<FONT color="green">274</FONT>        {<a name="line.274"></a>
<FONT color="green">275</FONT>            /** The name to be used in expressions */<a name="line.275"></a>
<FONT color="green">276</FONT>            private String key;<a name="line.276"></a>
<FONT color="green">277</FONT>    <a name="line.277"></a>
<FONT color="green">278</FONT>            /** The object to be accessed in expressions */<a name="line.278"></a>
<FONT color="green">279</FONT>            private Object value;<a name="line.279"></a>
<FONT color="green">280</FONT>    <a name="line.280"></a>
<FONT color="green">281</FONT>            public Variable()<a name="line.281"></a>
<FONT color="green">282</FONT>            {<a name="line.282"></a>
<FONT color="green">283</FONT>            }<a name="line.283"></a>
<FONT color="green">284</FONT>    <a name="line.284"></a>
<FONT color="green">285</FONT>            public Variable(String name, Object value)<a name="line.285"></a>
<FONT color="green">286</FONT>            {<a name="line.286"></a>
<FONT color="green">287</FONT>                setName(name);<a name="line.287"></a>
<FONT color="green">288</FONT>                setValue(value);<a name="line.288"></a>
<FONT color="green">289</FONT>            }<a name="line.289"></a>
<FONT color="green">290</FONT>    <a name="line.290"></a>
<FONT color="green">291</FONT>            public String getName()<a name="line.291"></a>
<FONT color="green">292</FONT>            {<a name="line.292"></a>
<FONT color="green">293</FONT>                return key;<a name="line.293"></a>
<FONT color="green">294</FONT>            }<a name="line.294"></a>
<FONT color="green">295</FONT>    <a name="line.295"></a>
<FONT color="green">296</FONT>            public void setName(String name)<a name="line.296"></a>
<FONT color="green">297</FONT>            {<a name="line.297"></a>
<FONT color="green">298</FONT>                this.key = name;<a name="line.298"></a>
<FONT color="green">299</FONT>            }<a name="line.299"></a>
<FONT color="green">300</FONT>    <a name="line.300"></a>
<FONT color="green">301</FONT>            public Object getValue()<a name="line.301"></a>
<FONT color="green">302</FONT>            {<a name="line.302"></a>
<FONT color="green">303</FONT>                return value;<a name="line.303"></a>
<FONT color="green">304</FONT>            }<a name="line.304"></a>
<FONT color="green">305</FONT>    <a name="line.305"></a>
<FONT color="green">306</FONT>            public void setValue(Object value) throws ConfigurationRuntimeException<a name="line.306"></a>
<FONT color="green">307</FONT>            {<a name="line.307"></a>
<FONT color="green">308</FONT>                try<a name="line.308"></a>
<FONT color="green">309</FONT>                {<a name="line.309"></a>
<FONT color="green">310</FONT>                    if (!(value instanceof String))<a name="line.310"></a>
<FONT color="green">311</FONT>                    {<a name="line.311"></a>
<FONT color="green">312</FONT>                        this.value = value;<a name="line.312"></a>
<FONT color="green">313</FONT>                        return;<a name="line.313"></a>
<FONT color="green">314</FONT>                    }<a name="line.314"></a>
<FONT color="green">315</FONT>                    String val = (String) value;<a name="line.315"></a>
<FONT color="green">316</FONT>                    String name = StringUtils.removeStartIgnoreCase(val, CLASS);<a name="line.316"></a>
<FONT color="green">317</FONT>                    Class&lt;?&gt; clazz = ClassUtils.getClass(name);<a name="line.317"></a>
<FONT color="green">318</FONT>                    if (name.length() == val.length())<a name="line.318"></a>
<FONT color="green">319</FONT>                    {<a name="line.319"></a>
<FONT color="green">320</FONT>                        this.value = clazz.newInstance();<a name="line.320"></a>
<FONT color="green">321</FONT>                    }<a name="line.321"></a>
<FONT color="green">322</FONT>                    else<a name="line.322"></a>
<FONT color="green">323</FONT>                    {<a name="line.323"></a>
<FONT color="green">324</FONT>                        this.value = clazz;<a name="line.324"></a>
<FONT color="green">325</FONT>                    }<a name="line.325"></a>
<FONT color="green">326</FONT>                }<a name="line.326"></a>
<FONT color="green">327</FONT>                catch (Exception e)<a name="line.327"></a>
<FONT color="green">328</FONT>                {<a name="line.328"></a>
<FONT color="green">329</FONT>                    throw new ConfigurationRuntimeException("Unable to create " + value, e);<a name="line.329"></a>
<FONT color="green">330</FONT>                }<a name="line.330"></a>
<FONT color="green">331</FONT>    <a name="line.331"></a>
<FONT color="green">332</FONT>            }<a name="line.332"></a>
<FONT color="green">333</FONT>        }<a name="line.333"></a>
<FONT color="green">334</FONT>    }<a name="line.334"></a>




























































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